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TUSB211 数据表(PDF) 4 Page - Texas Instruments

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部件名 TUSB211
功能描述  TUSB217A USB 2.0 High-Speed Signal Conditioner With DCP and CDP Controllers
PDF  31 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TUSB211 数据表(HTML) 4 Page - Texas Instruments

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6 Pin Configuration and Functions
4
SDA
3
5
6
9
10
11
12
1
8
7
SCL/CD
RSTZ
BOOST
D2P
D2M
RX_SEN/ENA_HS
GND
DCP/CDP
VCC
D1M
D1P
2
No t to scale
Figure 6-1. TUSB217A RWB 12-Pin X2QFN Top View
Table 6-1. Pin Functions
PIN (RWB)
I/O
INTERNAL
PULLUP/PULLDOWN
DESCRIPTION
NAME
NO. (RWB)
BOOST
6
I
N/A
USB High-speed boost select via external pull down resistor.
Both edge boost and DC boost are controlled by a single pin in non-
I2C mode. In I2C mode edge boost and DC boost can be individually
controlled.
Sampled upon power up. Does not recognize real time adjustments.
Auto selects BOOST LEVEL = 3 when left floating.
DCP/CDP
11
I
500 kΩ PU
DCP or CDP mode selection. Low=DCP and High=CDP
TUSB217ARWB BC1.2 controller is always enabled.
RX_SEN(2)/ENA_HS
9
I/O
N/A
In I2C mode:
Reserved for TI test purpose.
In non-I2C mode:
At reset: 3-level input signal RX_SEN. USB High-speed RX
Equalization Setting to Compensate ISI Jitter
H (pin is pulled high) – high RX equalization (high loss channel)
M (pin is left floating) – medium RX equalization (medium loss
channel)
L (pin is pulled low) – low RX equalization (low loss channel)
After reset: Output signal ENA_HS. Flag indicating that channel is in
High-speed mode. Asserted upon:
1. Detection of USB-IF High-speed test fixture from an unconnected
state followed by transmission of USB TEST_PACKET pattern.
2. Squelch detection following USB reset with a successful HS
handshake [HS handshake is declared to be successful after single
chirp J chirp K pair where each chirp is within 18 μs – 128 μs].
D2P
7
I/O
N/A
USB High-speed positive port.
D2M
8
I/O
N/A
USB High-speed negative port.
GND
10
P
N/A
Ground
D1M
1
I/O
N/A
USB High-speed negative port..
D1P
2
I/O
N/A
USB High-speed positive port.
SDA(1)
3
I/O
500 kΩ PU
1.8 MΩ PD
I2C Mode:
Bidirectional I2C data pin [7-bit I2C slave address = 0x2C].
In non I2C mode:
Reserved for TI test purpose.
VCC
12
P
N/A
Supply power
TUSB217A
SLLSFK5 – JUNE 2021
www.ti.com
4
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Copyright © 2021 Texas Instruments Incorporated
Product Folder Links: TUSB217A



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